Tarrant County, Texas:LARGEST_CITY:Fort Worth, Texas####Texas:CAPITAL:Austin, Texas####Arlington, Texas:IS_PART_OF:Tarrant County, Texas####Arlington, Texas:IS_PART_OF:Texas####Texas:COUNTRY:United States
Tarrant County has its largest city as Fort Worth. Arlington, Tarrant County, Texas, and Austin (TX capital) is part of the United States.